KR101851632B1 - Mobile terminal and character displaying system using mobile terminal - Google Patents

Abstract

The present invention relates to a mobile terminal capable of wireless communication and a character output system using the same. A character output system using a mobile terminal according to an embodiment of the present invention includes a master terminal for generating a character output request message and a slave terminal for responding to a character output request message transmitted from the master terminal using a radio signal The master terminal transmits the character information to the slave terminal responding to the character output request message, and the slave terminal displays at least one of the characters corresponding to the character information on the display unit.

Description

TECHNICAL FIELD [0001] The present invention relates to a character outputting system using a mobile terminal and a mobile terminal,

The present invention relates to a mobile terminal capable of wireless communication and a character output system using the same.

The terminal is movable And may be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

As the functions of the terminal are diversified, the terminal is implemented in the form of a multimedia device having a combination of functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, have. Further, in order to support and enhance the function of the terminal, it may be considered to improve the structural and software parts of the terminal.

As the function of the terminal increases as described above, the terminal supports a function of extending the function of the terminal through wireless communication with an external electronic device.

An object of the present invention is to provide a mobile terminal capable of outputting associative character information from a plurality of terminals by performing data communication between terminals via a radio signal, and a character output system using the same.

A character output system using a mobile terminal according to an embodiment of the present invention includes a master terminal for generating a character output request message and a slave terminal for responding to a character output request message transmitted from the master terminal using a radio signal The master terminal transmits the character information to the slave terminal responding to the character output request message, and the slave terminal displays at least one of the characters corresponding to the character information on the display unit.

In one embodiment, if there are a plurality of slave terminals responding to the character output request message, the master terminal may transmit identification information of characters to be output from the plurality of slave terminals among letters corresponding to the character information, And the slave terminal displays characters corresponding to the identification information on the display unit.

In one embodiment, the master terminal transmits different identification information to the plurality of slave terminals based on relative position information between the plurality of slave terminals and the master terminal.

In one embodiment, the master terminal transmits time information together with the character information to the slave terminal, and the slave terminal transmits at least one of characters corresponding to the character information to the slave terminal based on the time information, And outputs the result of the comparison.

In one embodiment, the characters displayed on the display unit of the slave terminal are displayed in full screen processing based on the character information transmitted from the master terminal.

A mobile terminal and a character output system using the same according to an exemplary embodiment of the present invention send a character output request message to a plurality of slave terminals using a radio signal in a master terminal and send a character output request message to a plurality of slave terminals responding to the message, Can be transmitted. Therefore, since the letters corresponding to the character information received from the plurality of slave terminals receiving the character information are outputted, the associated character information can be outputted together through the plurality of slave terminals.

Accordingly, since different characters can be output through a plurality of mobile terminals at the athletic concert hall or the like, it is possible to obtain a visual effect that a single associated support message is output from a plurality of terminals.

1 is a block diagram illustrating a mobile terminal according to an embodiment of the present invention.
2A and 2B are perspective views of a mobile terminal according to an exemplary embodiment of the present invention.
3A and 3B are conceptual diagrams of a communication system in which a mobile terminal according to the present invention is operable.
4 is a flowchart illustrating a method of controlling a character output system using a mobile terminal according to an embodiment disclosed herein.
5 is a conceptual diagram of a character output system using a mobile terminal according to an embodiment disclosed herein.
6 is a conceptual diagram illustrating a method of outputting characters in a character output system using a mobile terminal according to an embodiment disclosed herein.
7 is a block diagram of a character output system using a mobile terminal according to an embodiment disclosed herein.
8A and 8B are conceptual diagrams illustrating a method of transmitting character information in a character output system using a mobile terminal according to an embodiment disclosed herein.
9 is a conceptual diagram for explaining a method of transmitting character information based on position information in a character output system using a mobile terminal according to an embodiment disclosed herein.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. In addition, it should be noted that the attached drawings are only for easy understanding of the embodiments disclosed in the present specification, and should not be construed as limiting the technical idea disclosed in the present specification by the attached drawings.

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP) Ultra book and so on. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

1 is a block diagram illustrating a mobile terminal according to one embodiment disclosed herein.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 1 are not essential, and a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only And a Digital Broadcasting System (ISDB-T) (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The mobile communication module 112 is configured to implement a video communication mode and a voice communication mode. The video call mode refers to a state of talking while viewing a video of the other party, and the voice call mode refers to a state in which a call is made without viewing the other party's video. In order to implement the video communication mode and the voice communication mode, the mobile communication module 112 is configured to transmit and receive at least one of voice and image.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module 115 is a module for obtaining the position of the mobile terminal, and a representative example thereof is a Global Position System (GPS) module or a Wi-Fi module.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras may be provided depending on the usage environment.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad, a dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like.

The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154, for example, for generating output related to visual, auditory, have.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display display, a 3D display, and an e-ink display.

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see the object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another or may be disposed integrally with each other, or may be disposed on different surfaces.

(Hereinafter, referred to as a 'touch screen') in which a display unit 151 and a sensor for sensing a touch operation (hereinafter, referred to as 'touch sensor') form a mutual layer structure, It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

Referring to FIG. 1, a proximity sensor may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is enclosed by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 151 or the audio output module 152 so that they may be classified as a part of the alarm unit 153.

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may include a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or a suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. At least two haptic modules 154 may be provided according to the configuration of the mobile terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data on vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- A disk, and / or an optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the usage right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module a universal subscriber identity module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit 170 may be a path through which power from the cradle is supplied to the mobile terminal 100, or various commands A signal may be a path through which the signal is transmitted to the mobile terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

 In addition, the control unit 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

If the condition of the mobile terminal satisfies the set condition, the controller 180 can execute a lock state for restricting the input of the control command of the user to the applications. Also, the controller 180 can control the lock screen displayed in the locked state based on the touch input sensed through the display unit (hereinafter, referred to as 'touch screen') 151 in the locked state.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays , Microprocessors, microprocessors, microprocessors, and other electronic units for carrying out other functions. In some cases, the embodiments described herein may be implemented by the controller 180 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein.

The software code may be implemented in a software application written in a suitable programming language. The software code is stored in the memory 160 and can be executed by the control unit 180. [

Hereinafter, a structure of a mobile terminal or a mobile terminal in which components of the mobile terminal or the mobile terminal according to an embodiment of the present invention shown in FIG. 1 are arranged will be described.

FIG. 2A is a perspective view of a mobile terminal or a mobile terminal according to an embodiment of the present invention, and FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A.

FIG. 2A is a perspective view of a mobile terminal or a mobile terminal according to the present invention, and FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A.

The disclosed mobile terminal 100 includes a bar-shaped terminal body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

In the illustrated embodiment, the terminal body 100 (hereinafter, referred to as 'body') has a front surface, a side surface, and a rear surface. Further, the body has both ends formed along the longitudinal direction.

The body 100 includes a case (a casing, a housing, a cover, and the like) that forms an appearance. In this embodiment, the case may be divided into a front surface (hereinafter referred to as a 'front case') 101 and a rear surface (hereinafter referred to as a 'rear case'). A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injection molding a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The terminal body 100 mainly includes a display unit 151, an audio output unit 152, a camera 121, user input units 130/131 and 132, a microphone 122, an interface 170, .

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 152 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 131 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102. On the other hand, the microphone 122 is disposed at the other end of the body 100.

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal, and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

The contents inputted by the first or second operation unit 131 or 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

Referring to FIG. 2B, the rear surface of the terminal body, that is, the rear case 102, may further include an acoustic output unit 152 '. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 2A), and may be used for the implementation of the speakerphone mode during a call.

A power supply unit 190 for supplying power to the mobile terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102 as well.

In addition, a camera 121 'may be additionally mounted on the rear case 102 of the terminal body. The camera 121 may be a camera having a different image from the camera 121, having a photographing direction substantially opposite to the camera 121 (see FIG. 2A) mounted on the front case of the camera 121 '.

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It can be made to have a high number of pixels. The camera 121 'may be installed in the terminal body 100 to be rotatable or pop-upable.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror allows the user to illuminate the user's own face or the like in the case where the user intends to photograph (self-photograph) himself / herself using the camera 121 '.

An acoustic output unit 252 'may be further disposed on the rear surface of the terminal body. The sound output unit 252 'may implement the stereo function together with the sound output unit 252 (see FIG. 2A), and may be used for the implementation of the speakerphone mode in a call.

A power supply unit 190 for supplying power to the mobile terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102 as well.

The touch pad 135 operates in correlation with the display portion 151 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 151. The touch pad 135 may have a size equal to or smaller than that of the display unit 151.

3A and 3B are conceptual diagrams of a communication system in which the mobile terminal 100 according to the present invention can operate.

First, referring to FIG. 3A, the communication system may use different wireless interfaces and / or physical layers. For example, wireless interfaces that can be used by a communication system include Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA) , Universal Mobile Telecommunications Systems (UMTS) (especially Long Term Evolution (LTE)), Global System for Mobile Communications (GSM), and the like. Hereinafter, for the sake of convenience of description, the description will be limited to CDMA. However, it goes without saying that the present invention can be applied to all communication systems including CDMA wireless communication systems.

3A, the CDMA wireless communication system includes a plurality of terminals 100, a plurality of base stations (BSs) 270, base station controllers (BSCs) 275, A Mobile Switching Center (MSC) The MSC 280 is configured to be coupled to the Public Switched Telephone Network (PSTN) 290 and is also configured to be coupled to the BSCs 275. BSCs 275 may be coupled in pairs with BS 270 through a backhaul line. The backhaul line may be provided according to at least one of E1 / T1, ATM, IP, PPP, Frame Relay, HDSL, ADSL or xDSL. Thus, a plurality of BSCs 275 may be included in the system shown in FIG. 3A.

Each BS 270 may comprise at least one sector, and each sector may comprise an omnidirectional antenna or an antenna pointing in a particular direction of radial from the BS 270. In addition, each sector may include two or more antennas of various types. Each BS 270 may be configured to support a plurality of frequency assignments and each of the plurality of frequency assignments has a specific spectrum (e.g., 1.25 MHz, 5 MHz, etc.).

The intersection of sector and frequency assignment may be referred to as a CDMA channel. BS 270 may be referred to as a Base Station Transceiver Subsystem (BTSs). In this case, the word "base station" may be referred to as a combination of one BSC 275 and at least one BS 270. [ The base station may also indicate a "cell site ". Alternatively, each of the plurality of sectors for a particular BS 270 may be referred to as a plurality of cell sites.

As shown in FIG. 3A, a broadcasting transmitter (BT) 295 transmits a broadcasting signal to terminals 100 operating in the system. The broadcast receiving module 111 shown in FIG. 1 is provided in the terminal 100 to receive a broadcast signal transmitted by the BT 295.

In addition, FIG. 3A illustrates several Global Positioning System (GPS) satellites 300. The satellites 300 help to locate at least one of the plurality of terminals 100. Although two satellites are shown in Figure 3, useful location information may be obtained by two or more satellites. The location information module 115 shown in FIG. 1 cooperates with satellites 300 to obtain desired location information. Here, you can track your location using all of the technologies that can track your location, as well as your GPS tracking technology. Also, at least one of the GPS satellites 300 may optionally or additionally be responsible for satellite DMB transmission.

Among the typical operations of a wireless communication system, BS 270 receives reverse link signals from various terminals 100. [ At this time, the terminals 100 are connecting a call, transmitting or receiving a message, or performing another communication operation. Each of the reverse link signals received by the particular base station 270 is processed by the particular base station 270. The data resulting from the processing is transmitted to the connected BSC 275. The BSC 275 provides call resource allocation and mobility management functions, including the organization of soft handoffs between the base stations 270. BSCs 275 also transmit the received data to MSC 280 and MSC 280 provides additional transport services for connection with PSTN 290. [ Similarly, the PSTN 290 communicates with the MSC 280, the MSC 280 connects with the BSCs 275, and the BSCs 275 communicate with the BSs 270 ).

Next, a method of acquiring location information of a terminal using a Wi-Fi Positioning System (WPS) will be described with reference to FIG. 3B.

Wi-Fi Positioning System (WPS) is a wireless local area network (WLAN) -based positioning technology using Wi-Fi.

For example, when the location information of the terminal 100 is requested from the terminal 100 to the Wi-Fi location system 300, the Wi-Fi location system 300 receives the location information of the wireless AP 310 (FIG. 320, and 330, respectively.

Here, the information of the wireless AP to be extracted may be at least one of MAC Address, SSID, Channel, Signal Strength, and Noise Strength.

The WiFi location tracking system 300 compares the information included in the built-in database 350 with the information of the extracted wireless APs 310, 320 and 330 and extracts the location information of the terminal 100 . Then, the position information thus extracted is transmitted to the terminal 100, so that the terminal 100 can acquire the position information.

Meanwhile, the WiFi location tracking system 300 can collect information (SSID, Channel, Signal Strength, Noise Strength, etc.) of any wireless APs located at different locations, have.

In addition, the WiFi location tracking system 300 can construct the database 350 by matching the information of any wireless AP with the location value of the point where the information of the wireless AP is collected. Here, the position value of the point where the information of the wireless AP is collected can be collected using the GPS.

Since the wireless AP information and the position value corresponding to the wireless AP are matched in the database 350 of the Wi-Fi position tracking system 300, the Wi- It is possible to retrieve the wireless AP information corresponding to the information, extract the position value matched with the retrieved wireless AP information, and track the position of the terminal 100. [

Also, in a mobile terminal capable of including at least one of the above-mentioned components, it is possible to transmit a character output request message from one mobile terminal to another. In the other terminal, in response to the character output message, it is possible to output at least one character among the character information transmitted from the mobile terminal.

As described above, in the mobile terminal according to the present invention, characters corresponding to character information generated in a terminal can be output together from a plurality of terminals.

Meanwhile, in the present invention, a mobile terminal that transmits a character output request message to another mobile terminal is referred to as a 'master terminal' and a mobile terminal that outputs a character in response to a character output request message of a 'master terminal' It is named 'slave terminal'.

The 'master terminal' and the 'slave terminal' may include the configuration of the mobile terminal illustrated in FIGS. 1, 2A, 2B, 3A, and 3B.

In this way, in response to a master terminal requesting a character output request message to a slave terminal and a request from a master terminal, a slave terminal that outputs a character corresponding to character information transmitted from the master terminal to a display unit, System.

Hereinafter, a character output system using a mobile terminal and a mobile terminal according to the present invention will be described in detail with reference to FIGS. 4, 5, and 6. FIG.

FIG. 4 is a flowchart illustrating a method of controlling a character output system using a mobile terminal according to an embodiment disclosed herein. FIG. 5 is a conceptual diagram of a character output system using a mobile terminal according to an embodiment disclosed herein to be. 6 is a conceptual diagram illustrating a method of outputting characters in a character output system using a mobile terminal according to an embodiment disclosed herein.

First, in the character output system using the mobile terminal according to the present invention, the master terminal 100 generates a text output request message to at least one slave terminal 200 (S100). Here, the 'character output request message' is a message for outputting a character corresponding to the character information transmitted from the master terminal 100 on the display unit of the slave terminal 200.

The master terminal 100 recognizes at least one slave terminal 200 using a radio signal, and transmits a character output request message to the slave terminal 200 (S200). For example, as shown in FIG. 5, the master terminal 100 may be a wireless terminal such as Wi-Fi (Wi-Fi), Wi-Fi Direct, Digital Living Network Alliance (DLNA), Near Field Communication (NFC) Third, and fourth slave terminals 200a, 200b, 200c, and 200d using a communication protocol corresponding to at least one of the first, second, third, and fourth slave terminals 200a, 200b, 200c, and 200d.

The slave terminal 200 receiving the text output request message can selectively respond to the text output request message.

When the slave terminal 200 responds to the text output request message, the slave terminal can transmit a response message to the master terminal 100 (S300).

When a response message is transmitted from the slave terminal to the master terminal based on a request from the master terminal 100, the master terminal 100 and the slave terminal 200 can be represented as connected. Here, the master terminal 100 and the slave terminal 200 are 'connected', which means that the master terminal 100 and the slave terminal 200 are 'paired' And a state in which information can be transmitted between the slave terminal 200 and the slave terminal 200, that is, to transmit valid data.

When the master terminal 100 and the slave terminal 200 are connected, the master terminal 100 generates at least one of character information, identification information, and time information to be transmitted to the slave terminal 200 (S400).

The master terminal 100 transmits at least one of the created character information, identification information, and time information to the slave terminal 200 (S500).

Meanwhile, the character information, the identification information, and the time information generated in step S400 may be generated in advance together with the generated text output request message in step S100.

Accordingly, if at least one of the character information, the identification information, and the time information is generated together with the character output request message in step S100, the master terminal 100 omits the process of step S400, Character information, identification information, and time information to the slave terminal 200 (S500).

Here, the character information is stored in the master terminal 100 or corresponds to a character input by a user. Here, 'letter, type, character' refers to a certain systematic code for writing a word or sound so that it can be seen by eyes. In the present specification, the meaning of the letter is' consonant, vowel, phonemes, May be understood to include various kinds of linguistic systems used to visually represent 'sounds or words' such as letters, alphabets, and the like.

The time information is information related to the time when the character corresponding to the character information transmitted from the master terminal 100 is output from the display unit of the slave terminal 200. The output duration time of the character is the time By choice, it can be set.

Accordingly, when the master terminal 100 transmits the time information together with the character information to the slave terminal 200, the slave terminal 200 transmits at least one of the letters corresponding to the letter information to the slave terminal 200 based on the time information, It is possible to output a time corresponding to the information. The time information may include information related to a start time, an end time, a maintenance time, and the like.

The 'identification information' is information that can identify a character to be output from the plurality of slave terminals 200 when there are a plurality of characters corresponding to the character information and a plurality of recognized slave terminals 200 .

If there are a plurality of slave terminals 200 responding to the text output request message, the master terminal 100 transmits identification information of characters to be output from the plurality of slave terminals 200 among the characters corresponding to the character information to the plurality of slave terminals 200 (200), respectively.

In this case, identification information (unique information) of the slave terminal 200 may be matched to each of a plurality of letters corresponding to character information in the identification information.

Accordingly, the slave terminal 200 can identify a character matched with the identification information (unique information) of the slave terminal 200 (slave terminal 200) from the identification information transmitted from the master terminal 100.

In addition, the master terminal 100 can separately transmit characters to be output from the plurality of slave terminals 200 to each of the plurality of slave terminals 200, respectively.

Next, the slave terminal 200 outputs at least one of characters corresponding to the character information transmitted in step S500 to the display unit (S600).

For example, when the character information transmitted from the master terminal 100 is "ABCD" four letters, the first slave terminal 200a can output the letter "A " The second slave terminal 200b can output the letter "B " and the third slave terminal 200c can output the letter" D "

The master terminal 100 can output any one of the letters "ABCD" together with the slave terminals 200a, 200b and 200c, and displays the letter "C" 150).

The master terminal 100 and the slave terminal 200 can perform full screen processing so that the output size of the characters occupies the entire area of the display units 150, 250a, 250b and 250c have.

As described above, the character output system using the mobile terminal according to the present invention can output characters corresponding to the character information generated in the master terminal together with a plurality of slave terminals. Accordingly, by outputting consecutive characters from a plurality of terminals, a meaningful string (or sentence) can be generated.

Hereinafter, the configuration of the character output system using the mobile terminal will be described in detail with reference to FIG. Here, the contents already described with reference to FIG. 1 will be omitted. 7 is a block diagram of a character output system using a mobile terminal according to an embodiment disclosed herein.

As shown, the character output system 1000 may include a master terminal 100 and a slave terminal 200. 5, the slave terminal 200 may be a plurality of slave terminals.

The master terminal 100 may include a wireless communication unit 110, a message generating unit 120, a controller 130, a memory 140, a display unit 150, and a location information unit 160.

The message generator 120 may generate at least one of a character output request message, character information, identification information, and time information.

Next, the wireless communication unit 110 searches (or recognizes) the slave terminal 200 capable of wireless communication using the wireless signal based on the control of the control unit 130 or the selection of the user.

The wireless communication unit 110 may include a plurality of wireless communication protocols. For example, the wireless communication unit may include a communication protocol corresponding to at least one of Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, DLNA (Digital Living Network Alliance), NFC can do.

The wireless communication unit 110 can access the slave terminal using a communication protocol suitable for the slave terminal to which the wireless communication unit 110 wants to connect among the various communication protocols.

In response to the character output request message, the controller 130 transmits the character information to the slave terminal 200 that has transmitted the response message.

In addition, the control unit 130 may transmit the identification information and the time information to the slave terminal 200 together with the character information.

Here, the character information may be stored in advance in the memory 140, and may be input from the user in the process of generating the character output request message.

The character information may be input from the user based on the reception of the response message from the slave terminal 200. [

In this case, the control unit 130 creates an input window on the display unit 150, and receives character information from the user through the input window.

When connected to the plurality of slave terminals 200, the control unit 130 transmits the identification information of characters to be output from the slave terminals 200 to the slave terminals 200.

That is, when a plurality of characters are included in the character information, the controller 130 can appropriately distribute the characters to be output from the plurality of slave terminals using the identification information.

The controller 180 collects the location information of the plurality of slave terminals 200 and distributes the collected location information and the location of the master terminal 200 itself It is possible to distribute the letters so as to correspond to their positions.

Accordingly, when a plurality of letters are gathered to form a meaningful sentence, a word, etc., the controller 130 can distribute appropriate letters in consideration of the positions of the terminals.

In addition, the control unit 130 may separately transmit the character information to be output by the slave terminals 200 connected thereto.

The control unit 130 may control the display unit 150 such that at least one of characters corresponding to the character information is output on the display unit 150 together with the slave terminal 200. [

The location information unit 160 collects location information of the main body using a Global Positioning System (Gps) or Wi-Fi as shown in FIGS. 3A and 3B.

The slave terminal 200 includes a wireless communication unit 210, a message unit 220, a control unit 230, a memory 240, a display unit 250, a position information unit 260, . ≪ / RTI >

The wireless communication unit 210 may include a plurality of wireless communication protocols. For example, the wireless communication unit may include a communication protocol corresponding to at least one of Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, DLNA (Digital Living Network Alliance), NFC can do.

The wireless communication unit 210 can access the master terminal using a communication protocol suitable for the master terminal to which the wireless terminal 210 is connected among the various communication protocols.

Upon receiving the text output request message from the master terminal 100 through the wireless communication unit 210, the message unit 220 generates a response message based on the control of the user or the control unit 230.

When the location information request message is transmitted together with the text output message, the message unit 220 may collect the location information of the main body and include the location information of the main body in the response message. The response message may be transmitted to the master terminal 100 through the wireless communication unit 210. [

The location information unit 210 is installed in a slave terminal (hereinafter, referred to as 'main body') in response to a location request message received from the master terminal 100, Positioning System, Gps) or Wi-Fi.

When at least one of the character information, the identification information, and the time information is received from the master terminal 100, the controller 180 may store the received information in the memory 240.

The control unit 230 controls the display unit 250 so that characters corresponding to the character information are output to the display unit 250. When the character information includes a plurality of characters, It is possible to identify a character to be output by itself (the slave terminal 200).

Also, the controller 230 may refer to the time information and output a character to the display unit 250 for a time corresponding to the time information.

In addition, the controller 230 may process the output of the character so that the size of the character output on the display 250 occupies most of the area of the display 250.

As described above, the mobile terminal and the character output providing system using the mobile terminal according to the present invention can simultaneously output the associative characters from a plurality of terminals, so that the terminal can be used as a cheering tool.

Hereinafter, a method of distributing letters based on the number and location information of the slave terminals in the master terminal will be described.

8A and 8B are conceptual diagrams for explaining a method of transmitting character information in a character output system using a mobile terminal according to an embodiment disclosed herein, FIG. 2 is a conceptual diagram for explaining a method of transmitting character information based on position information in a character output system using a character input device.

Referring to FIG. 8A, the master terminal 100 is connected to the first, second, and third slave terminals 200a, 200b, and 200c. The master terminal 100 shown in FIG. 8A can receive character information from a user. The control unit 130 of the master terminal 100 (see FIG. 7) transmits the input character information to the connected first, second and third slave terminals 200a, 200b and 200c.

In this case, when transmitting the character information to the first, second, and third slave terminals 200a, 200b, and 200c, the controller 130 considers the number of connected slave terminals to output Information about the character can be transmitted together.

For example, if the letter corresponding to the character information is eight letters ('i', 'moon', 'three', 'hwa', 'i', 'ting', '!', '!' The control unit 130 may transmit character information and identification information to the slave terminals so that two characters are output from each terminal, including itself.

Therefore, as shown in FIG. 8A, the word "Mystery" is output to the first slave terminal 210a, the word "Slim" is output to the second slave terminal 210b, ) May be displayed as "etting ". Further, the character "!!" may be output to the master terminal 100. [

Similarly, as shown in FIG. 8B, the master terminal 100 can distribute character information to correspond to the number of connected slave terminals.

In the first, second, third, fourth, fifth and sixth slave terminals 200a, 200b, 200c, 200d, 200e and 200f, a character corresponding to the character information transmitted from the master terminal 100 It is possible to enlarge and output the size of the character so as to occupy most of the area of the display unit.

The controller 130 of the master terminal 100 may transmit the character information and the identification information to the slave terminal so that the letters corresponding to the positions of the respective terminals are outputted in consideration of the position information of the slave terminal and the master terminal have.

For example, if the letters corresponding to the character information are eight letters ('i', 'moon', 'three', 'hwa', 'i', 'ting', '!', '!' The eight characters should be output in the order in which they are arranged, so that their meaning can be understood.

Accordingly, the control unit 130 transmits character information and identification information of characters corresponding to the respective positions in consideration of the position of the mobile terminal 100 and the position of the slave terminals.

For example, as shown in FIG. 9A, when the master terminal 100 and the slave terminals 200a, 200b, and 200c are connected to the first slave terminal 200a, the second slave terminal 200b, When the terminal 100 and the third slave terminal 200d are arranged in this order, the control unit 130 of the master terminal 100 transmits the character information and the identification information in consideration of the arranged order.

Therefore, the character information and the identification information of the "it" are transmitted to the first slave terminal 200a, the character information and the identification information of the "Sify" are transmitted to the second slave terminal 200b, Quot ;, character information and identification information of "!!" are transmitted.

As a result, the first slave terminal 200a, the second slave terminal 200b, the master terminal 100, and the third slave terminal 200d are assigned ' The letters ',' 'three', 'anger', 'two', 'ting', '!' And '!'

As described above, according to an embodiment of the present invention, a mobile terminal and a character output system using the same can transmit a character output request message to a plurality of slave terminals using a wireless signal in a master terminal, The character information can be transmitted to the slave terminals. Therefore, since the letters corresponding to the character information received from the plurality of slave terminals receiving the character information are outputted, the associated character information can be outputted together through the plurality of slave terminals.

Accordingly, since different characters can be output through a plurality of mobile terminals at the athletic concert hall or the like, it is possible to obtain a visual effect that a single associated support message is output from a plurality of terminals.

Further, according to the embodiment disclosed herein, the above-described method can be implemented as a code that can be read by a processor on a medium on which the program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

The above-described character output system using the mobile terminal and the mobile terminal can be applied to a configuration or a method of the embodiments described above in a limited manner, but the embodiments can be applied to all or a part of each embodiment Some of which may be selectively combined.

Claims (5)

A master terminal for generating a character output request message; And
A plurality of slave terminals responding to a character output request message transmitted from the master terminal using a radio signal,
Wherein the character output request message includes a location information request for requesting location information of a slave terminal,
The slave terminal transmits a response message including its location information to the master terminal in response to the character output request message,
The master terminal distributes the letters to correspond to the positions of the respective slave terminals based on the position information of the response message received from each of the plurality of slave terminals and transmits the letter information to the slave terminal responding to the letter output request message ,
Wherein the slave terminal displays at least one of the characters corresponding to the character information distributed to the slave terminal on the display unit, displays at least one letter different according to the position of the slave terminal,
The master terminal comprises:
The method comprising: matching unique information of each slave terminal with each of a plurality of characters included in the character information based on position information of each slave terminal, and identifying information including the unique information matched to each of the plurality of characters, To the plurality of slave terminals together with the character information,
The slave terminal,
Identifies at least one character that matches the unique information based on the identification information from the character information, and displays the identified at least one character on the display unit. delete delete The method according to claim 1,
The master terminal transmits time information together with the character information to the slave terminal,
Wherein the slave terminal outputs at least one of characters corresponding to the character information for a time corresponding to the time information based on the time information. The method according to claim 1,
Wherein characters displayed on the display unit of the slave terminal are displayed in a full screen process based on the character information transmitted from the master terminal.

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